Harmful Substance - Warning Safety Signs

Harmful Substance - Warning Safety Signs by Caledonia Signs - Trade Only Supplier

Harmful Substance Warning Safety Signs are essential in any workplace where employees may come into contact with dangerous chemicals or materials. These signs clearly communicate the presence of substances that could pose health risks, such as toxins, irritants, or carcinogens. By providing this information upfront, the signs help workers take necessary precautions, such as wearing appropriate personal protective equipment (PPE) or following safe handling procedures, to minimize exposure and prevent accidents or health issues.

These warning signs also play a crucial role in ensuring compliance with health and safety regulations. Many countries have strict laws governing the labelling and communication of hazardous substances to protect workers and the public. Properly displayed harmful substance signs demonstrate that an organization is proactive about safety and adheres to legal requirements, reducing the risk of fines, legal action, or shutdowns due to safety violations.

In addition to protecting individual workers, these signs contribute to overall workplace safety by raising awareness of potential dangers throughout a facility. When employees and visitors are clearly informed about hazardous substances, they are more likely to act responsibly, avoid unsafe areas, and follow emergency protocols if exposure occurs. This collective vigilance helps reduce the likelihood of spills, contamination, or injuries and creates a safer working environment for everyone.

Finally, Harmful Substance Warning Safety Signs support effective emergency response by providing critical information to first responders in case of accidents or spills. Knowing the nature of the harmful substances involved allows emergency personnel to take appropriate actions, such as using specialised protective gear or containment methods, to manage the situation safely and efficiently. This preparedness can prevent escalation, protect lives, and limit environmental damage.


Danger - Silica Dust - Approved Respirator Must be Worn

Danger - Silica Dust - Approved Respirator Must be Worn Safety Signs

A "Danger – Silica Dust – Approved Respirator Must Be Worn" sign is crucial for protecting workers from the serious health risks associated with inhaling silica dust. Silica dust is a hazardous airborne particle produced during activities like cutting, grinding, or drilling materials such as concret..

Caution - Oxygen

Caution - Oxygen Safety Signs

In environments where oxygen tanks or oxygen-enriched atmospheres exist, the Caution - Oxygen sign plays a crucial role in safety. Oxygen greatly increases the risk of fire by making flames ignite more easily and burn hotter, so clear warnings are necessary to prevent accidents. This sign is typical..

Danger - Acetylene

Danger - Acetylene Safety Signs

Acetylene is a highly flammable and explosive gas, making clear warnings vital wherever it is stored, handled, or used. The Danger - Acetylene sign plays a crucial role in communicating these serious hazards to all personnel and visitors. This sign is typically found in welding workshops, industrial..

Danger - Acid

Danger - Acid Safety Signs

A Danger - Acid sign is essential in areas where acidic substances are stored, handled, or used. It alerts personnel to the presence of corrosive acids that can cause severe burns, respiratory issues, or damage to materials, ensuring everyone takes appropriate precautions. This sign is typically pla..

Danger - Battery Acid

Danger - Battery Acid Safety Signs

Vital in areas where battery acid, typically sulfuric acid used in lead-acid batteries, is stored, handled, or charged. This highly corrosive substance can cause severe chemical burns, respiratory irritation, and damage to equipment, making clear warnings essential for safety. Commonly found in batt..

Danger - Chemicals

Danger - Chemicals Safety Signs

Essential in any area where hazardous chemicals are stored, handled, or used. It serves to alert workers, visitors, and contractors to the presence of potentially harmful substances that could cause injury, health risks, or environmental damage. This sign is typically placed near chemical storage ro..

Danger - Harmful Fumes

Danger - Harmful Fumes Safety Signs

Vital in environments where toxic or irritating gases and vapors may be present. These harmful fumes can pose serious health risks if inhaled, including respiratory problems, headaches, dizziness, or long-term illnesses. Clearly marking such areas helps to alert anyone entering to the potential dang..

Danger - Hydrochloric Acid

Danger - Hydrochloric Acid Safety Signs

Essential in any area where hydrochloric acid is stored, handled, or used. Hydrochloric acid is a highly corrosive chemical that can cause severe burns, respiratory harm, and damage to equipment or surfaces, so clearly marking its presence is vital for safety. Typically placed on storage tanks, chem..

Danger - Solvents

Danger - Solvents Safety Signs

Used to warn about the presence of solvents that may pose serious health and safety risks. Many solvents are flammable, toxic, or harmful to the skin and respiratory system. This sign alerts workers and visitors to handle these chemicals with care, use proper personal protective equipment (PPE), and..

Warning - Ammonia

Warning - Ammonia Safety Signs

Used to indicate the presence of ammonia gas or ammonia-containing substances, which can be hazardous to health and safety. Ammonia is a toxic, corrosive gas with a strong odor that can cause respiratory irritation, burns, and other serious health effects if inhaled or contacted. The primary purpos..

Warning - Caustic

Warning - Caustic Safety Signs

Crucial in environments where caustic substances, such as strong bases or alkalis (like sodium hydroxide), are stored or used. These chemicals can cause severe burns, eye damage, and harm to materials, so clearly marking their presence helps prevent accidents and injuries. This sign is typically dis..

Warning - Chemical Store

Warning - Chemical Store Safety Signs

Used to alert personnel and visitors that they are entering or are near an area where chemicals are stored. These chemicals can range from harmless substances to highly hazardous materials, including flammable, corrosive, toxic, or reactive agents. The sign warns of potential dangers such as spills,..

Warning - Chemical Waste

Warning - Chemical Waste Safety Signs

Alert individuals to the presence of hazardous chemical waste materials in a specific area. It serves as a crucial warning to handle the area with care, avoid direct contact, and follow proper disposal and safety procedures to prevent health risks and environmental contamination. This sign is typic..

Warning - Chlorine

Warning - Chlorine Safety Signs

Alert people to the presence of chlorine gas or chlorine-containing substances, which can be highly hazardous. Chlorine is a toxic and corrosive chemical that can cause severe respiratory issues, skin burns, and eye damage if inhaled or contacted. This warning sign helps ensure that workers and visi..

Warning - Corrosive

Warning - Corrosive Safety Signs

An important sign for areas where corrosive substances, such as acids, alkalis, or chemicals that can cause severe damage to skin, eyes, or materials, are stored, handled, or used. This sign alerts personnel to the potential hazards and encourages the use of proper protective measures. Typically, th..

Warning - Harmful

Warning - Harmful Safety Signs

Used to indicate the presence of substances or conditions that can cause harm to health if proper precautions are not taken. Unlike highly toxic materials, harmful substances may cause less severe but still significant adverse effects such as skin irritation, respiratory problems, or other health is..

Warning - Harmful Chemicals

Warning - Harmful Chemicals Safety Signs

Notify workers and visitors that harmful chemical substances are present in the area. These chemicals may not be immediately life-threatening but can cause adverse health effects such as skin irritation, respiratory issues, allergic reactions, or other long-term health problems if handled improperly..

Warning - Hazardous Waste

Warning - Hazardous Waste Safety Signs

Used to alert people to the presence of waste materials that pose chemical, biological, radiological, or physical hazards. Hazardous waste can be toxic, corrosive, flammable, or reactive, and improper handling can lead to serious environmental damage, injuries, or health problems. The sign serves as..

Warning - Pesticide

Warning - Pesticide Safety Signs

Alert workers and visitors that pesticides are being stored, applied, or are present in the area. Pesticides often contain chemicals designed to control pests but can be harmful to humans, animals, and the environment if not handled correctly. The sign serves as an important notice to exercise cauti..

Danger - LPG Highly Flammable

Danger - LPG Highly Flammable Safety Signs

Warn that liquefied petroleum gas (LPG) is present in the area, which is highly flammable and can ignite easily, leading to fires or explosions. LPG is commonly used as fuel for heating, cooking, and vehicles, but its flammability makes it a significant hazard if not handled correctly. The main pur..

Warning - Dust Hazard

Warning - Dust Hazard Safety Signs

Alert workers and visitors to areas where airborne dust particles pose a health or safety risk. Dust hazards are common in many industrial and construction environments, such as woodworking shops, mining sites, grain handling facilities, and manufacturing plants. Inhalation of certain dust types can..

Danger - Carbon Dioxide

Danger - Carbon Dioxide Safety Signs

Breathing CO can cause headache, dizziness, vomiting and nausea. If CO levels are high enough a person may become unconscious or die. Exposure to moderate and high levels of CO over long periods of time has also been linked with increased risk of heart disease.This warning sign highlights areas / it..

Warning - COSHH Store

Warning - COSHH Store Safety Signs

Hazard signs are displayed to advise and forewarn of potential dangers. Materials Explained Below is a more detailed description of the materials this particular safety sign is available in. Helping you decide which sign option is most suitable for your application. Rigid Plastic: This ligh..

Warning - Misuse of Compressed Air Is Highly Dangerous

Warning - Misuse of Compressed Air Is Highly Dangerous Safety Signs

Alert workers and anyone nearby about the serious risks associated with improper use of compressed air. Compressed air, while useful for many tasks like cleaning or powering tools, can cause severe injuries if misused—such as injecting air into the skin, causing eye injuries, or creating flying debr..

Caution - Hazardous Area - Self Standing Floor Sign

Caution - Hazardous Area - Self Standing Floor Sign Safety Signs

Yellow polypropyleneFoldable for easy storage Double sided Self-Standing Lightweight & durable plastic Provides clear and appropriate warning of risk..

Caution - Paint Store

Caution - Paint Store Safety Signs

Used to alert individuals that they are entering or near an area where paints and related chemicals are stored. These materials often contain flammable, toxic, or hazardous substances that require special handling and awareness. The sign serves as a proactive warning to encourage safe behaviour, lim..

Danger - Acid Wear PPE

Danger - Acid Wear PPE Safety Signs

Essential for warning individuals that they are entering an area where hazardous acids are in use or stored, and that personal protective equipment (PPE) is required. Acids can cause severe chemical burns, respiratory issues, and damage to eyes, skin, or clothing if proper safety measures are not ta..

Danger - Corrosive Materials Use Hand Protection

Danger - Corrosive Materials Use Hand Protection Safety Signs

Used to warn individuals that they are in an area where corrosive substances are present, and that protective gloves must be worn to prevent serious injury. Corrosive materials can cause severe damage to the skin upon contact, including burns, irritation, or long-term tissue damage. This sign serves..

Danger - Hazardous Substances - Wear PPE

Danger - Hazardous Substances - Wear PPE Safety Signs

Indicate areas where harmful chemicals, materials, or biological agents are present, and where personal protective equipment (PPE) must be worn. These substances can pose serious health risks through inhalation, skin contact, or accidental ingestion. The sign provides a clear warning and helps ensur..

Danger - Hazardous Substances - See Data Sheets

Danger - Hazardous Substances - See Data Sheets Safety Signs

These safety signs are used to warn individuals that they are entering an area where dangerous materials are present and directs them to consult the relevant safety data sheets (SDS) before handling or working near the substances. Data sheets provide critical information on proper handling, potentia..

Danger - Hazardous Waste - Handle with Care

Danger - Hazardous Waste - Handle with Care Safety Signs

Used to warn individuals that the material or area contains hazardous waste that poses risks to health, safety, or the environment. Hazardous waste can include chemicals, biological agents, or other toxic substances that require careful handling to prevent accidents, contamination, or injury. The p..

Warning - Toxic

Warning - Toxic Safety Signs

Required in any area where toxic substances are present that could cause serious health risks through inhalation, ingestion, or skin contact. These signs are crucial in chemical plants, laboratories, manufacturing facilities, waste treatment sites, and storage areas where hazardous chemicals or mate..

Flammable Symbol

Flammable Symbol Safety Signs

The Flammable Symbol sign is vital for indicating the presence of materials or substances that can easily catch fire or explode when exposed to heat, sparks, or flames. Using this sign helps raise awareness of fire risks, encouraging safe handling, storage, and use of flammable items to prevent acci..

Poison Symbol

Poison Symbol Safety Signs

Used to warn that a substance is toxic and can cause serious harm or death if ingested, inhaled, or absorbed through the skin. This symbol alerts people to handle the material with extreme care and to avoid any direct contact or accidental exposure. The primary purpose of the poison symbol is to co..

Oxidising Agent Symbol

Oxidising Agent Symbol Safety Signs

Indicate substances that can cause or intensify fires and explosions by releasing oxygen or other oxidising gases. These materials may not be flammable themselves but can greatly increase the combustion of other substances, posing significant fire and safety hazards. The primary purpose of this sym..

Corrosive Symbol

Corrosive Symbol Safety Signs

Warn about substances that can cause severe damage to living tissue, such as skin and eyes, as well as to metals and materials. These substances can cause burns, irritation, or destruction upon contact, making it essential to handle them with extreme care. The primary purpose of this symbol is to a..

Warning - Flammable Liquid

Warning - Flammable Liquid Safety Signs

Alert people that the area contains or is near liquids that can easily catch fire and pose serious fire and explosion hazards. Flammable liquids vaporize quickly, and their vapors can ignite with just a small spark or heat source, making awareness and caution essential. The primary purpose of this ..

Flammable Gas

Flammable Gas Safety Signs

Warn that the area contains or is near gases that can easily ignite and cause fires or explosions. Flammable gases, such as propane, methane, or hydrogen, pose significant hazards because their vapors can spread quickly and ignite with even a small spark or heat source. The main purpose of this sig..

Oxidising Agent

Oxidising Agent Safety Signs

Indicate the presence of substances that can cause or intensify fires by releasing oxygen or other oxidising agents. Although these materials may not be flammable themselves, they can greatly increase the risk and severity of fires when they come into contact with combustible materials. The main pu..

Warning - Dangerous Substances

Warning - Dangerous Substances Safety Signs

Used to alert people to the presence of materials that pose health, safety, or environmental hazards. These substances can include chemicals that are toxic, corrosive, flammable, or otherwise harmful if not handled properly. The sign serves as an important reminder to exercise caution and follow saf..

Warning - Corrosive

Warning - Corrosive Safety Signs

Alert individuals that the area, substance, or equipment involves corrosive materials that can cause severe damage to skin, eyes, and other tissues, as well as corrode metals and surfaces. These substances can cause serious injuries on contact, making it critical to handle them with caution. The pr..

Caution - Hot Contents

Caution - Hot Contents Safety Signs

This warning safety sign advises viewers that the contents of the designated area / item is hot. Materials Explained Below is a more detailed description of the materials this particular safety sign is available in. Helping you decide which sign option is most suitable for your application. ..

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Why get safety signs printed by Caledonia Signs?

Why get safety signs printed by Caledonia Signs?

1. Regulatory Compliance One of the primary reasons to have safety signs professionally printed is to ensure compliance with UK laws. The Health and Safety (Safety Signs and Signals) Regulations 1996 require that specific safety signs be used in workplaces to prevent accidents and injuries. Caledonia Signs understand these requirements and ensure your signs meet legal standards, including adherence to the BS EN ISO 7010 format for safety symbols. Adhering to the BS EN ISO 7010 format is crucial because it ensures safety signs are universally recognised and understood. The standard uses clearly defined symbols that have been tested for visibility and comprehension, making them effective even in high-stress situations or for individuals who do not speak the local language. This helps prevent accidents by enabling quick and correct responses to potential hazards. Many "pop up printers" don't fully understand the importance of ISO 7010. From a legal standpoint, compliance with ISO 7...>>> READ MORE >>>

Why you should work with Caledonia Signs

Why you should work with Caledonia Signs

Caledonia Signs are the number one choice for trade As a market leading UK supplier of safety signs, we provide our distributors with a vast range of innovative, cost effective and premium signs. Additionally, we offer a number of sales, marketing and technical support packages to help our distributors maximise their sales opportunities. Unlike many of our competitors, we manufacture only for sale through our distributor network. Caledonia Signs will never approach your customer base directly. Caledonia are committed to help our distributors maximise their sales opportunities We help our distributors in innovative ways and by being driven to provide the highest quality services. Caledonia Signs provide a online portal where our distributors can sign in, view cost and RRP pricing of all products, download marketing material and product data sheets, raise and instantly send purchase orders for us to process, and view your order history. We also provide workplace a...>>> READ MORE >>>

Signage Solutions: Avian Influenza & Animal Disease Control

Signage Solutions: Avian Influenza & Animal Disease Control

Take action! New signage to help prevent the spread of bird flu outbreaks across the UK With a growing number of reports relating to avian influenza outbreaks across the UK, biosecurity and disease prevention have become a growing concern for many businesses - particularly those in the farming, agriculture, and park / recreation industries. Although transmission to humans is currently low and primarily involves people in frequent contact with birds and poultry, it is important to be aware of the risks and to take the necessary precautions to minimise those risks. Inside is a range of signs and products which can help educate, inform and advise, and to encourage best practice in terms of hygiene and safety. Avian Influenza primarily affects birds, however some strains can infect other animals, including domestic pets such as cats and dogs, especially if they come into contact with infected birds or contaminated environments. Exposure to environments contaminated wit...>>> READ MORE >>>

Stress Awareness Month

Stress Awareness Month

Stress Awareness Month: Leading with Love and Support With Stress Awareness Month fast approaching, now is the perfect time to remind our distributors of the wide range of health and wellbeing posters we offer. These resources are designed to reduce stigma and encourage healthier lifestyles and workplaces. Whether you’re in the fire and security industry or a PPE supplier, Caledonia believes that fostering inclusion and understanding in staff rooms, site offices, or waiting areas is crucial. These spaces can become catalysts for important conversations, inspiring both staff and the public to take simple steps to improve their well-being. Stress in the UK: A Growing Concern Stress is a significant issue across the UK, with 74% of people reporting that stress has made them feel overwhelmed and unable to cope (YouGov, 2018 for the Mental Health Foundation). Stress Awareness Month is a time to acknowledge the profound impact stress can have on our lives and, just as imp...>>> READ MORE >>>